January 2003

Columns

HP Reliability: Consider axial thrust monitoring

Centrifugal pumps and most other dynamic fluid machines incorporate impellers and similar rotating elements that generate axial thrust. This thrust must be taken up by a suitably dimens..

Bloch, Heinz P., Hydrocarbon Processing Staff

Centrifugal pumps and most other dynamic fluid machines incorporate impellers and similar rotating elements that generate axial thrust. This thrust must be taken up by a suitably dimensioned bearing, although it can be partially absorbed by balance connections and associated balance drums. Fluid pressure variations due to process fluctuations or balance drum seal degradation can result in thrust loads that jeopardize bearing life and equipment reliability. Currently available bearing condition monitoring hardware and software typically focus on measuring bearing vibration and temperature. These systems use software to tr

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